Re: 10 second questions

Indeed it does, because our orbit around the sun is slightly elliptical. But their definition of the AU is something like "the radius of an orbit around the sun that would take exactly one year for a complete revolution".

Which is kind of a technical way of saying that it's our average distance from the sun.

Re: 10 second questions

71) ((pi)/1800)72) Approximately 746 watts (actually about 745.7) to every horsepower (hp).73) Originally defined as one one-hundredth of the difference between the freezing and boiling temperatures of water under an atmospheric pressure that balances a 760-mm (29.92-inch) column of mercury. Now defined as the fraction 1/273.16 of the thermodynamic temperature of the triple point of water.74) 25 primes from 1 to 10075) 168 primes from 1 to 100

Re: 10 second questions

Re: 10 second questions

78. You are wrong! Interesting!79. Correct, I guess that was a sitter!80. You think right, well done!

81. What is the measure of each angle of a regular pentagon?82. What is 1+2+3+4+...500?83. If five teams participate in a tournament and each team plays every other team once, how many matches are played in all?